Brian McLogan
Graph the equation of an ellipse with center at the origin and a vertical major axis
Learn how to graph vertical ellipse centered at the origin. A vertical ellipse is an ellipse which major axis is vertical. To graph a vertical ellipse, we first identify some of the properties of the ellipse including the major radius...
Brian McLogan
Graph a horizontal parabola and identify the focus, vertex and directrix
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
What is inverse trig and how does it relate to what we know
👉 Learn how to evaluate inverse trigonometric functions. When an angle is unknown but the value of one of the trigonometric functions of the angle is known, we can evaluate the value of the angle using the inverse trigonometric function...
Brian McLogan
What is the definition of radian
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Integrate the cosine of an exponential expression
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as an indefinite integral or as a definite...
Brian McLogan
How to solve a quadratic by using the square root method
👉Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Curated Video
GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: The Sine and Cosine Rules - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Master How to Verify a trigonometric identity using half angle formulas
Master How to Verify a trigonometric identity using half angle formulas
Curated Video
Solving Systems of Linear Equations Using the Linear Combination Method
In this lesson, students will learn how to solve a system of linear equations using the linear combination method. They will understand how to manipulate the equations to eliminate variables and find the solution.
Curated Video
Understanding Dilations and Similar Triangles
In this video, the teacher explains how to determine if two triangles are similar under dilation. They review the properties of dilation and similar figures, such as proportional corresponding sides and congruent corresponding angles.
Jabzy
Hussite Wars - 3 Minute History
In this video, Jabzy brings us historical tidbits and unknown facts about the Hussite Wars
TLDR News
Brexit Deal Negotiations Collapse: July Brexit Update - TLDR News.
Since the pandemic broke, it's been easy to forget that Brexit's still happening and the UK and EU have mere months to find a deal or the UK leaves without one. So in this video, we're going to update you on what's been going on and how...
Brian McLogan
Given two similar triangles determine the values of x and y for the angles
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Brian McLogan
How to determine the number of sides of a polygon when given the sum of interior ang
👉 Learn how to determine the number of sides of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Brian McLogan
Given the sum, find the meausre or a single interior angle of a regular polygon ex 1
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Brian McLogan
How to write a proportion of lengths and corresponding angles for two triangles
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Brian McLogan
Given the ratio of sides and perimeter of a triangle find the lengths
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Brian McLogan
How to find the missing value using the diagonals of a rectangle
👉 Learn how to solve problems with rectangles. A rectangle is a parallelogram with each of the angles a right angle. Some of the properties of rectangles are: each pair of opposite sides are equal, each pair of opposite sides are...
Brian McLogan
What is an Included Angle - Congruent Triangles
👉 Learn about the included angles of a triangle. An included angle of a triangle is the angle between two sides of a triangle. An included side of a triangle is the side between two angles. To show that two triangles are congruent by the...
Brian McLogan
Using the Hinge Theorem to Compare Sides of a Triangle - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Brian McLogan
Vertical and straight angles solve for the measure of an two angles with two variables
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Catalyst University
Protein:Ligand Saturation Equation: Example #1
Protein:Ligand Saturation Equation: Example #1
Brian McLogan
How to solve an equation with the variable as the exponent, 3^(x/2) = 315
👉 Learn about solving exponential equations. Exponential equations are equations involving exponents. To solve an exponential equation, we express the terms in both sides of the equality sign as single terms. Then, we express the single...
Brian McLogan
Solving a logarithmic equation by using inverse properties
👉 Learn how to solve logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the logarithm part of...